Fixed noise_test.py indentation
Fixed noise_test.py indentation

As of previous commit, noise_test.py enforced 4-spaces indentation, which contradicts the 2-spaces indentation convention specific to tensorflow. This commit swapped the former policy for the latter, and should thus now pass pylint tests.
tensorflow/tensorflow-experimental_link_static_libraries_once,gunan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,paolodedios/tensorflow,frreiss/tensorflow-fred,yongtang/tensorflow,jhseu/tensorflow,aam-at/tensorflow,renyi533/tensorflow,Intel-Corporation/tensorflow,frreiss/tensorflow-fred,freedomtan/tensorflow,frreiss/tensorflow-fred,adit-chandra/tensorflow,davidzchen/tensorflow,freedomtan/tensorflow,chemelnucfin/tensorflow,annarev/tensorflow,davidzchen/tensorflow,cxxgtxy/tensorflow,aam-at/tensorflow,DavidNorman/tensorflow,gunan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,frreiss/tensorflow-fred,tensorflow/tensorflow,karllessard/tensorflow,aam-at/tensorflow,gunan/tensorflow,gunan/tensorflow,Intel-Corporation/tensorflow,adit-chandra/tensorflow,yongtang/tensorflow,aam-at/tensorflow,davidzchen/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow,petewarden/tensorflow,arborh/tensorflow,Intel-tensorflow/tensorflow,ppwwyyxx/tensorflow,DavidNorman/tensorflow,aam-at/tensorflow,renyi533/tensorflow,gunan/tensorflow,chemelnucfin/tensorflow,tensorflow/tensorflow-pywrap_saved_model,DavidNorman/tensorflow,gunan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,chemelnucfin/tensorflow,renyi533/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,renyi533/tensorflow,chemelnucfin/tensorflow,petewarden/tensorflow,ppwwyyxx/tensorflow,gautam1858/tensorflow,davidzchen/tensorflow,yongtang/tensorflow,sarvex/tensorflow,jhseu/tensorflow,ppwwyyxx/tensorflow,chemelnucfin/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,davidzchen/tensorflow,aldian/tensorflow,renyi533/tensorflow,Intel-tensorflow/tensorflow,sarvex/tensorflow,Intel-tensorflow/tensorflow,sarvex/tensorflow,tensorflow/tensorflow,annarev/tensorflow,karllessard/tensorflow,karllessard/tensorflow,petewarden/tensorflow,annarev/tensorflow,petewarden/tensorflow,sarvex/tensorflow,paolodedios/tensorflow,arborh/tensorflow,karllessard/tensorflow,jhseu/tensorflow,jhseu/tensorflow,cxxgtxy/tensorflow,aldian/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,renyi533/tensorflow,gunan/tensorflow,DavidNorman/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,chemelnucfin/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,ppwwyyxx/tensorflow,cxxgtxy/tensorflow,tensorflow/tensorflow-pywrap_saved_model,adit-chandra/tensorflow,cxxgtxy/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow,frreiss/tensorflow-fred,xzturn/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,aam-at/tensorflow,davidzchen/tensorflow,adit-chandra/tensorflow,jhseu/tensorflow,petewarden/tensorflow,gunan/tensorflow,xzturn/tensorflow,yongtang/tensorflow,karllessard/tensorflow,ppwwyyxx/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,arborh/tensorflow,tensorflow/tensorflow-pywrap_saved_model,paolodedios/tensorflow,gautam1858/tensorflow,DavidNorman/tensorflow,renyi533/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,paolodedios/tensorflow,cxxgtxy/tensorflow,ppwwyyxx/tensorflow,petewarden/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_saved_model,yongtang/tensorflow,aam-at/tensorflow,chemelnucfin/tensorflow,annarev/tensorflow,gautam1858/tensorflow,DavidNorman/tensorflow,aam-at/tensorflow,chemelnucfin/tensorflow,ppwwyyxx/tensorflow,paolodedios/tensorflow,ppwwyyxx/tensorflow,Intel-tensorflow/tensorflow,karllessard/tensorflow,tensorflow/tensorflow,arborh/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,karllessard/tensorflow,Intel-tensorflow/tensorflow,arborh/tensorflow,frreiss/tensorflow-fred,annarev/tensorflow,freedomtan/tensorflow,renyi533/tensorflow,freedomtan/tensorflow,cxxgtxy/tensorflow,aldian/tensorflow,xzturn/tensorflow,gautam1858/tensorflow,gautam1858/tensorflow,adit-chandra/tensorflow,DavidNorman/tensorflow,paolodedios/tensorflow,arborh/tensorflow,xzturn/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,adit-chandra/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,adit-chandra/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,annarev/tensorflow,karllessard/tensorflow,annarev/tensorflow,davidzchen/tensorflow,davidzchen/tensorflow,arborh/tensorflow,ppwwyyxx/tensorflow,jhseu/tensorflow,gunan/tensorflow,aam-at/tensorflow,freedomtan/tensorflow,Intel-Corporation/tensorflow,frreiss/tensorflow-fred,petewarden/tensorflow,adit-chandra/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,karllessard/tensorflow,gautam1858/tensorflow,petewarden/tensorflow,jhseu/tensorflow,renyi533/tensorflow,xzturn/tensorflow,xzturn/tensorflow,davidzchen/tensorflow,paolodedios/tensorflow,cxxgtxy/tensorflow,DavidNorman/tensorflow,aldian/tensorflow,Intel-Corporation/tenso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